Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . pes of L. Nyassa. River at Msamba, L. , L. Tanganyika. J. A. Williams, Esq. (C).Dr. W. A. Cunnington (C). 21. MARCUSENIUS diseorhynclnts (non Peters), Giinth. Cat. Fish. vi. p. 220 (1866), and Pethericks Trav. ii. p. 255 (1869).Marcusenius pet/ierici, Bouleng. Ann. Mus. Congo, Zool. i. p. 7 (1898), Proc. Zool. Soc. 1898, p. 797, and Fish. Nile, p. 45, pi. viii. fig. 3 (1907). Depth of body 2f to 3^ times in total length, length of head 4f to 5times. Head a
Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . pes of L. Nyassa. River at Msamba, L. , L. Tanganyika. J. A. Williams, Esq. (C).Dr. W. A. Cunnington (C). 21. MARCUSENIUS diseorhynclnts (non Peters), Giinth. Cat. Fish. vi. p. 220 (1866), and Pethericks Trav. ii. p. 255 (1869).Marcusenius pet/ierici, Bouleng. Ann. Mus. Congo, Zool. i. p. 7 (1898), Proc. Zool. Soc. 1898, p. 797, and Fish. Nile, p. 45, pi. viii. fig. 3 (1907). Depth of body 2f to 3^ times in total length, length of head 4f to 5times. Head as long as deep or a little deeper than long, If to Iftimes as long as broad ; snout \ to \ length of head, rounded, projectingbeyond mouth ; mouth situated below nostrils, its width 4f to 5f timesin length of head; teeth bicuspid, truncate when worn down, 5 in upperjaw, 6 in lower; nostrils on a line with lower border of eye, nearerlatter than end of snout; eye moderate, as long as or a little longer thansnout, about f interocular width. Dorsal 34-30, as long as or a little Pig. Marcuaeni us pe (P. N.). f. shorter than its distance from head. Anal 24-26, originating below14th to 16th ray of dorsal, equally distant from base of ventraland from base of caudal, or a little nearer latter. Pectoral pointed,subfalcate, nearly as long as head, If to If times length of ventral andextending beyond base of latter. Caudal with pointed lobes. Caudalpeduncle 2-J- to 3 times as long as deep, as long as or a little shorter MAKCUSENIUS. S3 than head. 55-65 scales in lateral line, !-|J£ in transverse series on 12-13 body, jg-jg in transverse series between dorsal and anal, 12 round caudalpeduncle. Brown above, silvery white below, more or less speckledwith darker; an ill-defined dark bar, extending obliquely from origin ofdorsal to that of anal, sometimes present; dorsal fin, and sometimesalso anal, brownish in front. Total length 220 millim. White Nile and Blue
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Keywords: ., bookauthorbri, bookcentury1900, bookdecade1900, booksubjectfishes
